Row and column level tombstones

2016-11-23 Thread Andrew Cooper
What would be returned in the following example? Row with columns exists Row is deleted (row tombstone) Row key is recreated Would columns that existed before the row delete/tombstone show back up in a read if the row key is recreated? My assumption is that the row key tombstone timestamp is

Stalled streams during repairs

2014-04-16 Thread Andrew Cooper
We are running into a reproducible issue in one of our cassandra clusters. We are seeing that during an anti-entropy repair, if a particular sstable is streaming to multiple endpoints and the two streams happen to hit the same section of the sstable, it stalls all streams indefinitely on the

RE: Stalled streams during repairs

2014-04-16 Thread Andrew Cooper
First, thanks for the quick reply and jira links! Its helpful to know we are not the only ones experiencing these issues. Are you sure you actually want/need to run repair as frequently as you currently are? Reducing the frequency won't make it work any better, but it will reduce the number

Migrate data to new cluster using datacenters?

2013-12-12 Thread Andrew Cooper
Hello, We are in the process of isolating multiple applications currently running in one large cassandra cluster to individual smaller clusters. Each application runs in its own keyspace. In order to reduce/eliminate downtime for a migration, I was curious if anyone had attempted the

Re: Large system.Migration CF after upgrade to 1.1

2013-11-27 Thread Andrew Cooper
, but this is our largest and most problematic cluster :) -Andrew Hope that helps. - Aaron Morton New Zealand @aaronmorton Co-Founder Principal Consultant Apache Cassandra Consulting http://www.thelastpickle.comhttp://www.thelastpickle.com/ On 23/11/2013, at 10:35 am, Andrew Cooper

Large system.Migration CF after upgrade to 1.1

2013-11-22 Thread Andrew Cooper
advice and I can provide more details if needed. -Andrew Andrew Cooper National Information Solutions Cooperative® 3201 Nygren Drive NW Mandan, ND 58554 * e-mail: andrew.coo...@nisc.coopmailto:andrew.coo...@nisc.coop * phone: 866.999.6472 ext 6824 * direct: 701-667-6824